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3. Gravitation
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Q6 of 176 Page 123

State whether the following statements are true or false:

(a) The buoyant force depends on the nature of object immersed in the liquid.


(b) Archimedes’ principle can also be applied to gases.

(a) False (Since, Buoyancy depends on the volume of the object and the density of the fluid)

(b) True (As that's the entire basis of convection. A balloon full of hot air floats in cold air)


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4

Name the quantity whose one of the units is Pascal (Pa).

5

State the units in which pressure is measured.

7

In which direction does the buoyant force on an object due to a liquid act?

8

What is the other name of buoyant force?

Questions · 176
3. Gravitation
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